| ALLETT, Thomas James ACTIVE | Director | 29 Apr 2006 | | United Kingdom | March 1963 | 2 Village Street, Careby, Stamford, Lincolnshire, PE9 4EA |
| ANDERSON, Reginald Jackson ACTIVE | Director | 21 Feb 2026 | | England | April 1956 | Unit 4, Wavell Drive, Lincoln, LN3 4PL, England |
| BALL, John ACTIVE | Director | | | United Kingdom | August 1955 | 31 Knaton Road, Carlton In Lindrick, Worksop, Nottinghamshire, S81 9HJ |
| CHAPMAN, Rowland Peter ACTIVE | Director | 01 Dec 2023 | | England | December 1942 | Unit 4, Wavell Drive, Lincoln, LN3 4PL, England |
| EVANS, Roy ACTIVE | Director | 01 Dec 2023 | | England | May 1947 | Unit 4, Wavell Drive, Lincoln, LN3 4PL, England |
| OSLER, Richard Clive ACTIVE | Director | 15 Nov 2025 | | England | September 1946 | Unit 4, Wavell Drive, Lincoln, LN3 4PL, England |
| COLE, Colin RESIGNED | Secretary | | 07 May 2016 | | | 2 The Green, Bardney, Lincoln, LN3 5TY |
| ACEY, Christopher Alan RESIGNED | Director | 23 Mar 2013 | 22 Mar 2015 | England | May 1986 | 49 Canwick Road, Lincoln, LN5 8HE |
| ALLEN, Arthur Roy RESIGNED | Director | 24 Jan 2002 | 24 May 2011 | Great Britain | June 1927 | 94 Hayling Avenue, Little Paxton, St. Neots, Cambridgeshire, PE19 6HQ |
| BAINBOROUGH, Janet RESIGNED | Director | 16 Apr 2011 | 20 Mar 2022 | England | October 1955 | 2, Londesborough Way, Metheringham, Lincoln, Lincs, LN4 3HL, Great Britain |
| BAINBOROUGH, Raymond RESIGNED | Director | | 21 Nov 2022 | United Kingdom | November 1945 | 2, Londesborough Way, Metheringham, Lincoln, Lincolnshire, LN4 3HL, United Kingdom |
| BIRCH, Ruth Margaret RESIGNED | Director | | 25 Jan 1996 | | February 1931 | 4 Hall Garden, Canwick, Lincoln, Lincolnshire, LN4 2RG |
| BIRCH, William Frank RESIGNED | Director | | 25 Jan 1996 | | December 1923 | 4 Hall Garden, Canwick, Lincoln, Lincolnshire, LN4 2RG |
| BRISCOE, Robert RESIGNED | Director | | 17 Apr 2004 | | February 1929 | 8 Nethercross Drive, Warsop, Mansfield, Nottinghamshire, NG20 0QR |
| BRUNTON, Michael RESIGNED | Director | 13 Apr 2019 | 24 May 2024 | England | September 1948 | Plough Ridge, Winsford, Minehead, TA24 7JQ, England |
| BULL, Pamela RESIGNED | Director | 09 May 2015 | 21 Apr 2018 | England | April 1961 | Unit 4, Wavell Drive, Lincoln, LN3 4PL, England |
| CHAPMAN, Rowland Peter RESIGNED | Director | 28 Mar 1991 | 13 Apr 2019 | England | December 1942 | 142 Wortley Road, High Green, Sheffield, South Yorkshire, S35 4LW |
| COLE, Colin RESIGNED | Director | 28 May 1992 | 20 Apr 2013 | Great Britain | April 1924 | 2 The Green, Bardney, Lincoln, LN3 5TY |
| CORBETT, Claire RESIGNED | Director | 13 Apr 2019 | 24 Feb 2020 | Scotland | November 1977 | 8, Glamis Crescent, Inchture, Perth, PH14 9QU, Scotland |
| CRESWELL, Peter RESIGNED | Director | 10 Mar 2021 | 27 Feb 2022 | England | December 1957 | 23, Thoresby Way, Retford, DN22 7WS, England |
| DIVERS, Benjamin John RESIGNED | Director | 01 Feb 2014 | 08 May 2016 | England | January 1984 | Unit 4, Wavell Drive, Lincoln, LN3 4PL, England |
| HARPER, Connor RESIGNED | Director | 02 Apr 2022 | 24 May 2024 | United Kingdom | October 2001 | 65 Sheffield Road, South Anston, S25 5DU, United Kingdom |
| HARRIS, Christopher John RESIGNED | Director | 26 Apr 2008 | 24 Sep 2011 | Great Britain | August 1950 | Tollbar Cottage, 31 Station Road, Renishaw, Sheffield, Yorkshire, S21 3WF |
| HEWITT, Susan RESIGNED | Director | 22 Jun 2013 | 01 Feb 2017 | England | February 1947 | Unit 4, Wavell Drive, Lincoln, LN3 4PL, England |
| HUMPHREYS, John RESIGNED | Director | 07 May 1994 | 25 Aug 1994 | | July 1935 | 16 Grove Drive, Woodhall Spa, Lincolnshire, LN10 6RT |
| KAVANAGH, David RESIGNED | Director | 01 Dec 2023 | 27 Jan 2024 | England | July 1963 | Unit 4, Wavell Drive, Lincoln, LN3 4PL, England |
| KAVANAGH, David RESIGNED | Director | 13 Apr 2019 | 27 Feb 2022 | England | July 1963 | 4, Moor Lane, South Witham, Grantham, Lincolnshire, NG33 5PW, England |
| LANE, Leslie RESIGNED | Director | | 28 Apr 2007 | | June 1922 | 24 Lagonda Close, Bracebridge Heath, Lincoln, Lincolnshire, LN4 2QH |
| LARDER, John Dennis RESIGNED | Director | | 07 May 1994 | | December 1925 | 21 Kettlethorpe Road, Fenton, Lincoln, Lincolnshire, LN1 2ER |
| MASTERS, Yvonne Louise RESIGNED | Director | 24 Apr 2010 | 24 Sep 2011 | Great Britain | April 1970 | Royal Air Force, Raf Coningsby, Lincoln, LN4 4SY, Great Britain |
| MCCARTHY, Donald Alfred RESIGNED | Director | 22 Oct 1992 | 20 Apr 2013 | Great Britain | January 1934 | 59, Cambridge Avenue, Bottesford, Scunthorpe, North Lincs, DN16 3PH |
| OWEN, Jane RESIGNED | Director | 23 Nov 2024 | 06 Mar 2026 | United Kingdom | September 1971 | Unit 4, Wavell Drive, Lincoln, LN3 4PL, England |
| RICHARDSON, David RESIGNED | Director | | 20 Apr 2013 | Great Britain | March 1945 | 2, Meadowfield, Middle Rasen, Market Rasen, Lincolnshire, LN8 3PT |
| SIMPSON, Jane Mary RESIGNED | Director | 07 May 1994 | 24 Nov 1994 | | September 1946 | 27 St Hugh Street, Lincoln, LN2 5BG |
| SKINNER, Peter RESIGNED | Director | | 24 Jan 2008 | | December 1930 | 25 Dunkeld Road, Sheffield, South Yorkshire, S11 9HN |
| STEPHENSON, Robin Brian RESIGNED | Director | 07 Jan 2012 | 26 Apr 2014 | United Kingdom | January 1949 | 28, Cheviot Street, Lincoln, Lincolnshire, LN2 5JD, United Kingdom |
| STEPHENSON MBE, Stuart RESIGNED | Director | | 21 Feb 2013 | Great Britain | October 1935 | 4, Hibaldstow Road, Lincoln, Lincolnshire, LN6 3PX |
| WARWICK, Roger William RESIGNED | Director | 22 Oct 1992 | 26 May 1994 | | April 1946 | 53 The Ridgeway, Great Grimsby, South Humberside, DN34 5PH |